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21. —Hello! Is Mr. Fred available?

—        

       A. I am Mr Fred.                                      B. Speaking

       C. Who are you?                                       D. Who are you looking for?

22. The report said that a bus went out of          control on highway          south of the city are rushed into a river.

       A. the; the              B./; the                 C. the; /                     D. /; /